Face mask frame for a respiratory interface



FIG. 1 is a front perspective view of a face mask frame for a respiratory interface, showing our new design.

FIG. 2 is a rear perspective view thereof.

FIG. 3 is a front view thereof.

FIG. 4 is a rear view of thereof.

FIG. 5 is a left side view thereof.

FIG. 6 is a right side view thereof.

FIG. 7 is an enlarged top view thereof; and,

FIG. 8 is an enlarged bottom view thereof.

The dash-dash broken lines in the drawings illustrate portions of the face mask frame for a respiratory mask that form no part of the claimed design. The dash-dot broken lines represent the boundary of the claimed design and form no part thereof. 

CLAIM The ornamental design for a face mask frame for a respiratory interface, as shown and described. 